/usr/share/clam/sconstools/crossmingw.py is in libclam-dev 1.4.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | import os
import os.path
import string
import SCons.Action
import SCons.Builder
import SCons.Tool
import SCons.Util
# This is what we search for to find mingw:
prefixes = SCons.Util.Split("""
mingw32-
i386-mingw32msvc-
i486-mingw32msvc-
i586-mingw32msvc-
i686-mingw32msvc-
""")
def find(env):
for prefix in prefixes:
# First search in the SCons path and then the OS path:
if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'):
return prefix
return ''
def shlib_generator(target, source, env, for_signature):
cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS'])
dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
if dll: cmd.extend(['-o', dll])
cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
return [cmd]
def shlib_emitter(target, source, env):
dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
no_import_lib = env.get('no_import_lib', 0)
if not dll:
raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
if not no_import_lib and \
not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
# Append an import library to the list of targets.
target.append(env.ReplaceIxes(dll,
'SHLIBPREFIX', 'SHLIBSUFFIX',
'LIBPREFIX', 'LIBSUFFIX'))
# Append a def file target if there isn't already a def file target
# or a def file source. There is no option to disable def file
# target emitting, because I can't figure out why someone would ever
# want to turn it off.
def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
if not def_source and not def_target:
target.append(env.ReplaceIxes(dll,
'SHLIBPREFIX', 'SHLIBSUFFIX',
'WIN32DEFPREFIX', 'WIN32DEFSUFFIX'))
return (target, source)
# TODO: Backported to old scons version
#shlib_action = SCons.Action.CommandGenerator(shlib_generator)
shlib_action = SCons.Action.Action(shlib_generator,generator=1)
res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
source_scanner=SCons.Tool.SourceFileScanner)
SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
def generate(env):
mingw_prefix = find(env)
if mingw_prefix:
dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc'))
# The mingw bin directory must be added to the path:
path = env['ENV'].get('PATH', [])
if not path:
path = []
if SCons.Util.is_String(path):
path = string.split(path, os.pathsep)
env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
# Most of mingw is the same as gcc and friends...
gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas']
for tool in gnu_tools:
SCons.Tool.Tool(tool)(env)
#... but a few things differ:
env['CC'] = mingw_prefix + 'gcc'
env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
env['CXX'] = mingw_prefix + 'g++'
env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
env['SHLINKCOM'] = shlib_action
env.Append(SHLIBEMITTER = [shlib_emitter])
# This line isn't required and breaks C++ linking
#env['LINK'] = mingw_prefix + 'g++'
env['AS'] = mingw_prefix + 'as'
env['AR'] = mingw_prefix + 'ar'
env['RANLIB'] = mingw_prefix + 'ranlib'
env['WIN32DEFPREFIX'] = ''
env['WIN32DEFSUFFIX'] = '.def'
env['SHOBJSUFFIX'] = '.o'
env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
env['RC'] = mingw_prefix + 'windres'
env['RCFLAGS'] = SCons.Util.CLVar('')
env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, __env__, RDirs, TARGET)} $)'
env['RCINCPREFIX'] = '--include-dir '
env['RCINCSUFFIX'] = ''
env['RCCOM'] = '$RC $RCINCFLAGS $RCINCPREFIX $SOURCE.dir $RCFLAGS -i $SOURCE -o $TARGET'
env['BUILDERS']['RES'] = res_builder
# Some setting from the platform also have to be overridden:
env['OBJPREFIX'] = ''
env['OBJSUFFIX'] = '.o'
env['LIBPREFIX'] = 'lib'
env['LIBSUFFIX'] = '.a'
env['SHOBJPREFIX'] = '$OBJPREFIX'
env['SHOBJSUFFIX'] = '$OBJSUFFIX'
env['PROGPREFIX'] = ''
env['PROGSUFFIX'] = '.exe'
env['LIBPREFIX'] = ''
env['LIBSUFFIX'] = '.lib'
env['SHLIBPREFIX'] = ''
env['SHLIBSUFFIX'] = '.dll'
env['LIBPREFIXES'] = [ '$LIBPREFIX' ]
env['LIBSUFFIXES'] = [ '$LIBSUFFIX' ]
def exists(env):
return find(env)
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